 An early instance of paid time off, in the late 19th century in Australia, was by Alfred Edments who gave every employee a fortnight's holiday on full pay, and when ill, Edments continued to pay their salaries.A longitudinal study conducted by World at Work of over 1,000 organizations of different sizes concluded that over recent years, PTO plans have become more actively utilized by the general workforce.In 2002, about 71% of organizations were using traditional distinguished paid time off system, and about 28% were utilizing the PTO bank-type system.